User's Manual

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RS485 to LoRaWAN Converter User Manual 3 / 30
1. Introduction .............................................................................................................................. 5
1.1 What is RS485-LN RS485 to LoRaWAN Converter ...................................................................... 5
1.2 Specifications .............................................................................................................................. 6
1.3 Features ...................................................................................................................................... 6
1.4 Applications ................................................................................................................................ 6
1.5 Hardware Change log ................................................................................................................. 7
1.6 Installation ................................................................................................................................. 7
2. Power ON Device ...................................................................................................................... 8
3. Operation Mode ....................................................................................................................... 9
3.1 How it works? ............................................................................................................................. 9
3.2 Example to join LoRaWAN network ............................................................................................ 9
3.3 Configure Commands to read data .......................................................................................... 14
3.3.1 Configure UART settings for RS485 communication ....................................................... 14
3.3.2 Configure RS485 sensors ................................................................................................ 15
3.3.3 Configure read commands for each sampling ................................................................ 16
3.3.4 Compose the uplink payload .......................................................................................... 18
3.3.5 Uplink on demand .......................................................................................................... 20
3.3.6 Uplink on Interrupt ......................................................................................................... 20
3.4 Uplink Payload .......................................................................................................................... 20
3.5 Configure RS485-LN via AT or Downlink ................................................................................... 21
3.5.1 Common Commands: ..................................................................................................... 21
3.5.2 Sensor related commands: ............................................................................................. 21
RS485 Debug Command ........................................................................................................... 21
Set Payload version .................................................................................................................. 22
Set RS485 Sampling Commands ............................................................................................... 22
Fast command to handle MODBUS device ............................................................................... 23
RS485 command timeout ......................................................................................................... 24
Uplink payload mode ............................................................................................................... 24
Manually trigger an Uplink ....................................................................................................... 24
Clear RS485 Command ............................................................................................................. 24
Set Serial Communication Parameters ..................................................................................... 25
3.6 Buttons ..................................................................................................................................... 25
3.7 LEDs .......................................................................................................................................... 26
4. Case Study .............................................................................................................................. 27